separate setVisible and setEnabled for handles

src2/main/mesh.js

@@ -179,7 +179,7 @@ async function restore_space() {
         // hide loading curtain
         $d('curtain','none');
         // restore handles visibility
-        handles.setVisible(api.prefs.map.space.bounds);
+        handles.setEnabled(api.prefs.map.space.bounds);
         if (api.prefs.map.info.welcome !== false) {
             api.welcome(version);
         }

src2/mesh/handles.js

@@ -28,8 +28,8 @@ class TransformTool {
         this.handleSize = 2;
         this.handleColor = 0x0088ff;
         this.handleOpacity = 0.5;
-        this.visible = false;
+        this.enabled = true; // persisted state
-        this.visible = true;
+        this.visible = false; // selection state
 
         // Create materials
         this.handleMaterial = new MeshBasicMaterial({
@@ -67,13 +67,18 @@ class TransformTool {
         });
     }
 
-    setVisible(visible) {
+    setEnabled(enabled) {
-        this.visible = visible;
+        this.enabled = enabled;
-        this.group.visible = this.visible;
         if (meshApi && meshApi.prefs) {
-            meshApi.prefs.map.space.bounds = this.visible;
+            meshApi.prefs.map.space.bounds = enabled;
             meshApi.prefs.save();
         }
+        this.updateVisibility();
+    }
+
+    setVisible(visible) {
+        this.visible = visible;
+        this.updateVisibility();
     }
 
     show() {
@@ -85,7 +90,11 @@ class TransformTool {
     }
 
     toggleBounds() {
-        this.setVisible(!this.visible);
+        this.setEnabled(!this.enabled);
+    }
+
+    updateVisibility() {
+        this.group.visible = this.enabled && this.visible;
     }
 
     update() {
@@ -100,6 +109,9 @@ class TransformTool {
             return;
         }
 
+        // Show transform tool
+        this.show();
+
         // Get bounds based on selection type
         let bounds;
         if (sketch) {